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    • (0 reviews)
      # 85990493
      R-12 Yellow Hose with Auto Shut Off Valve Fittings by Mastercool®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      $14.80 - $16.79
    • (0 reviews)
      # mpn2322778
      Hybrid Vehicle Dielectric A/C Compressor Oil by Mastercool®. Formulated for Vehicles with Electric A/C Compressors. High Dielectric Formula Provides Advanced Compressor Protection. 7 oz. packaged in clamshell. Mastercool is a family...
      Made with precision and quality in mindBuilt to last
      $15.74
    • (0 reviews)
      # mpn2322560
      1/4" Adapter by Mastercool®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $8.32
    • (0 reviews)
      # mpn1578455980
      1/2" x 1/2" Yellow Straight Hose with Manual Shut-Off Valve by Mastercool®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
      Mastercool manufactures a complete line of shut-off valves for containment of refrigerantEPA requires shut-off valves within 12 inches of the charging hose ends to prevent unnecessary venting of refrigerant
      $15.09
    • (0 reviews)
      # mpn2322577
      2-1/2" Low Side R-134A/R-12 Replacement Gauge by Mastercool®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
      Heavy duty constructionAnti-flutter feature that reduces needle fluctuation and increases reading accuracy
      $16.90
    • (0 reviews)
      # mpn2322763
      3-in-1 Side Mount Can Tap by Mastercool®. Used on R-12, R-134a & 2oz oil cans. If you’re looking for a reliable solution to complete your project, this first-grade product is right up your alley. Designed utilizing the finest...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $9.47
    • (0 reviews)
      # mpn1451625473
      1-3/4" Pocket Analog Thermometer by Mastercool®. 1-3/4" Dial Size, 0 to 220°F Temperature Range. If you’re looking for a reliable solution to complete your project, this first-grade product is right up your alley. Designed utilizing...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $11.38
    • (0 reviews)
      # mpn2322713
      1 oz. Leak Sheild with Sealant and Dye Replacement Cartridge by Mastercool®. If you’re looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials,...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $14.48
    • (0 reviews)
      # mpn2322578
      2-1/2" High Side R-134A/R-12 Replacement Gauge by Mastercool®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
      Heavy duty constructionAnti-flutter feature that reduces needle fluctuation and increases reading accuracy
      $17.12
    • (0 reviews)
      # mpn470504562
      1/4" FFL x 1/4" MFL Standard Oil Injector by Mastercool®. Excellent method for adding refrigerant oil or large amounts of UV leak detection dye to the A/C system. Add oil by allowing vacuum to pull it in after the evacuation process, or...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $32.44
    • (0 reviews)
      # mpn470504504
      1/2" ACME-F x 1/4" FLM R134a Adapter Coupler by Mastercool®. If you’re looking for a reliable solution to complete your project, this first-grade product is right up your alley. Designed utilizing the finest materials, it delivers...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $6.56
    • (0 reviews)
      # 282469495
      2-1/2" Gauge by Mastercool®. If you’re looking for a reliable solution to complete your project, this first-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of durability and...
      Expertly crafted from superior materialsProvides exceptional reliability
      $4.68 - $26.05
    • (0 reviews)
      # mpn2322710
      1 oz. Mini UV FlashLight Kit by Mastercool®. 1 oz die injector with replaceable 1 oz die cartridge (10 application). Low Side Hose. R12 adapter. UV Enhancing Safety Glasses. Service Information Labels. Packaged in a clam shell. If...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $37.69
    • (0 reviews)
      # mpn4477225483
      Auto Master Leak Shield with 1 oz. Can by Mastercool®. Easy to use! Stops leaks in metal and rubber automotive air conditioner parts including evaporators, condensers, o-rings, gaskets and hoses.
      For use in R134a, HFO-1234yf, hybrid and electronic A/C systems.Includes o-ring conditioner, proprietary anti-wear and anti-oxidant additives.
      $27.00
    • (0 reviews)
      # 282469617
      R134a Hoses with 1/2" ACME-F and 14mm-M Auto A/C Fittings by Mastercool®. Mastercool R134a Charging Hoses meet SAE J2196 specifications and are UL tested. Tested for Working Pressure of 600 PSI and Burst Pressure of 3000 PSI. Mastercool...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $16.61 - $97.84
    • (0 reviews)
      # mpn4477225492
      1/4 to 7/8" O.D. Ratchet Style Tube Cutter by Mastercool®. When you don’t have swing room, ratchet action allows cutting all the way around the tubing easy.
      Made with precision and quality in mindBuilt to last
      $27.26
    • (0 reviews)
      # mpn2322547
      1 oz. Engine Coolant Fluoroscent Dye by Mastercool®. If you’re looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $4.58
    • (0 reviews)
      # mpn470504499
      1/8" To 1-1/8" Silver Reduced Friction Tube Cutter by Mastercool®. Their reduced friction design incorporates ball bearings into the cutter wheel, tube rollers and a control knob. Reducing the resistance in these high friction areas...
      Made with precision and quality in mindBuilt to last
      $24.36
    • (0 reviews)
      # mpn4477225469
      100 lbs. Refrigerant Recovery Cylinder by Mastercool®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Powder coated cylinder for high gloss, durable finishY-valve for liquid/vapor
      $253.10
    • (0 reviews)
      # 527486703
      110 V Commander Series RRR Machines by Mastercool®. Mastercool USA introduces its new ARCTIC COMMANDER line of RRR machines. Equipped with the latest technology, all models come standard with an 8” color touch screen command center....
      8” Color Command Center with Touch ScreenOn-board Instruction Manual
      $2,711.65 - $4,660.08
    • (0 reviews)
      # mpn4477225504
      110V Fully Automatic R134A Recovery/Recycle/Recharge Machine by Mastercool®. Mastercool USA introduces its new ARCTIC COMMANDER line of RRR machines. Equipped with the latest technology, all models come standard with an 8” color touch...
      8” Color Command Center with Touch ScreenOn-board Instruction Manual
      $3,407.94
    • (0 reviews)
      # mpn470504355
      115V Complete A/C Recovery System with 30 lbs. Tank by Mastercool®. Mastercool’s Professional Recovery System is compact, lightweight and works with all refrigerants. This Recovery System offers a State of the Art 1/2 hp Oil-less...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $1,141.39
    • (0 reviews)
      # mpn1578456091
      220V 119 L/min Dual Stage Vacuum Pump by Mastercool®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      This model is an excellent choice for small to medium sized systems (2.5 lb. to 10 lb. charge capacity)This two stage pump features a manifold valve to isolate it from the system and three inlet ports: 1/4" FL, 3/8" FL and 1/2" ACME (for automotive R134a systems)
      $408.68
    • (0 reviews)
      # mpn4477225475
      Auto A/C Master Leak Preventative 12 Led by Mastercool®. Mini UV Flashlight Kit. Mini UV Flashlight (12 LED) (53512-UV), "Cartridge Type” 1 oz injector with Auto A/C Master Leak Shield Sealant with dye, low side hose, R12 adapter, UV...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $61.81
    • (0 reviews)
      # mpn2322705
      12 LED Mini UV FlashLight by Mastercool®. 12 LED True UV flashlight with 25,000 hr UV LED bulbs, constructed of Heav duty aircraft aluminum, easy grip texture with anodized finish. 3 AAA batteries included, 22 hrs of operation. UV glasses.
      Made with precision and quality in mindBuilt to last
      $20.40
    • (0 reviews)
      # mpn4477225472
      Ultima Id 1234Yf Refrigerant Analyzer by Mastercool®. The Ultima ID 1234yf refrigerant analyzer is certified to the SAE J2912 Refrigerant Analyzer Standard. Its portability and USB integration with the R/R/R machine, provides a...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $2,490.86
    • (0 reviews)
      # mpn4477225487
      12V 50W Replacement Bulb by Mastercool®. For UV Mini Light. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $10.43
    • (0 reviews)
      # mpn2322570
      Easy Connect Oil Injector with 13mm-M x 13mm-F Low-Side Coupler by Mastercool®. Excellent method for adding refrigerant oil or large amounts of UV leakdetection dye to the A/C system. Add oil by allowing vacuum to pull it in after the...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $36.55
    • (0 reviews)
      # mpn2322756
      14mm-F x 16mm R134a High Side Manual Quick Coupler by Mastercool®. Patented manual couplers adjust to R134a service ports with varying dimensions. Patented, spring loaded depressor will not damage service valves. Meets SAE, UL & EPA...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $22.17
    • (0 reviews)
      # mpn4477225455
      A/C Leak Preventative 17 LED Flashlight by Mastercool®. Compact UV Flashlight Kit Compact UV Flashlight (17 LED) (53517-UV), "Cartridge Type” 1 oz injector with Auto A/C Master Leak Shield Sealant with dye, low side hose, R12 adapter,...
      Designed to help to get your job done rightManufactured utilizing the highest quality materials
      $72.09




    When it comes to modern-day automobiles, air conditioning is something that is absolutely required, or in the very least of things, highly needed. All professional mechanics are definitely in need of high-quality A/C and Refrigeration test and service equipment in order to maintain our autos’ A/Cs running chilly when the hot summer days come. One of the leading companies in this market, Mastercool offers new product innovation and technology so as to make daily work for AC and Refrigeration technicians way easier.

    Mastercool is a family owned and managed company that has been supplying professional air conditioning service tools and equipment for more than three decades. One of the fastest expanding companies in its industry, Mastercool became synonymous with world class quality and innovative, unique product designs. With their never-ending concentration on new technologies, the company has been granted various patents globally for a variety of their products like a Mastercool evaporative cooler or a Mastercool swamp cooler.

    Mastercool designs, develops, and manufactures A/C and Refrigeration testing equipment and tools for professional technicians. In addition to Mastercool’s headquarters based on location in the United States, they also have offices in Belgium and Brazil. Overall, the company has a distribution network in more than 60 countries. Considering their original design and quality, many of the company’s tools have been patented. Mastercool array of products includes AC vacuum pumps, charging

    Mastercool Reviews

    Average rating:  5  5 - 1 review
    5 of 5
    Purchase
    This was as easy as could be. The service was great and the product arrived the next day.
    RPosted by Robert (Hyannis, MA) / October 12, 2016
    Was this review helpful for you? Yes
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